{
   "$schema":"http://json-schema.org/draft-03/schema#",
   "id":"http://schemas.opengis.net/gsr-gs/1.0/lengths.json",
   "title":"Lengths results",
   "type":"object",
   "properties":{
		"lengths":{
			"title":"array of length values",
			"type":"array",
			"required":true,
 			"items":{ "type":"number" }
 		}
   }
}